linux-kernel - Re: linux-next: build failure after merge of the akpm tree

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Date:   Sat, 06 Oct 2018 22:10:23 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        PowerPC <linuxppc-dev@...ts.ozlabs.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christophe Leroy <christophe.leroy@....fr>
Subject: Re: linux-next: build failure after merge of the akpm tree

Stephen Rothwell <sfr@...b.auug.org.au> writes:
> Hi Michael,
>
> On Fri, 05 Oct 2018 22:02:45 +1000 Michael Ellerman <mpe@...erman.id.au> wrote:
>>
>> Ah fudge, what are the chances we add a new include of bootmem.h just as
>> Mike's removing bootmem.
>
> In my experience, it was almost certain ... almost every API removal
> conflicts with new added uses.  :-)

I suppose. Though the last time we added a new include of bootmem.h was
2015, and that should have actually been memblock.h.

>> I could just apply that to my tree. memblock.h is where early_memtest() is
>> actually defined anyway.
>
> However min_low_pfn and max_low_pfn are defined in bootmem.h until
> after it is removed.

OK. I guess I'll leave it for Andrew to squash in to the series.

cheers